【英文标准名称】:StandardTestMethodforDistillationofHeavyHydrocarbonMixtures(VacuumPotstillMethod)
【原文标准名称】:重烃混合物的蒸馏标准试验方法(真空蒸馏锅法)
【标准号】:ASTMD5236-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:烃类;试验;蒸馏
【英文主题词】:distillation;testing;hydrocarbons
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:71_080_01
【页数】:17P;A4
【正文语种】:英语


【英文标准名称】:Industrialfans-Methodofmeasurementoffanvibration
【原文标准名称】:工业风机.风机振动的测量方法
【标准号】:ISO14695-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC117
【标准类型】:()
【标准水平】:()
【中文主题词】:振动强度;工业设备;测量方法;通风机;平衡;振动;振动效应;定义;测量
【英文主题词】:Balancing;Definitions;Industrialplants;Measurement;Measuring;Methodsformeasuring;Ventilators;Vibration;Vibrationeffects;Vibrationintensity
【摘要】:ThisInternationalStandarddescribesamethodofmeasuringthevibrationalcharacteristicsoffansofalltypes,exceptthosedesignedsolelyforaircirculation,forexample,ceilingfansandtablefans.However,itislimitedtofansofalltypesinstalledwithapoweroflessthan300kW.Forfansofgreaterpowerthanthis,themethodsdescribedinISO10816-1andtheapplicablelimitsgiveninISO10816-3maybeused.ThisInternationalStandardgivesageneralmethodonlyanddoesnotgivecriteriaforinterpretationofdata(seeISO14694).ThisInternationalStandardspecifiesthemeasurementofvibrationthatmayberecordedasoverallroot-mean-squarer.m.s.velocity,accelerationordisplacement,orintermsofafrequencyspectrum,withintheappropriatefrequencyrange.Methodsoftestingwhensuspendedonelasticropesorwheninstalledonresilientmountingsareincluded.Itisrecognizedthattheoscillatoryforcesatmountingpointscanbeausefulmeasurementforanalysingtheeffectsonsupportstructures;butsuchmeasurementsareoutsidethescopeofthisInternationalStandard.Annexesaregivenforinformation.AnnexBgivessecondarymeasurementmethodswhich,whilstnotrecommendedforaccuratemeasurements,maybeusedforassessingthebalanceofseries-producedfansorforcomparativesitemeasurements.
【中国标准分类号】:J72
【国际标准分类号】:17_160;23_120
【页数】:33P.;A4
【正文语种】:英语